显示堆栈

a_long_dianjing/settings.py

@@ -41,6 +41,7 @@ INSTALLED_APPS = [
 ]
 
 MIDDLEWARE = [
+    'utils.debug_middleware.DebugExceptionMiddleware',
     'corsheaders.middleware.CorsMiddleware',
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
@@ -51,6 +52,34 @@ MIDDLEWARE = [
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
 ]
 
+# 测试阶段日志配置 — 确保 500 错误堆栈输出到 console
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'formatters': {
+        'verbose': {
+            'format': '[%(asctime)s] %(levelname)s %(name)s: %(message)s'
+        },
+    },
+    'handlers': {
+        'console': {
+            'class': 'logging.StreamHandler',
+            'formatter': 'verbose',
+        },
+    },
+    'loggers': {
+        'django': {
+            'handlers': ['console'],
+            'level': 'INFO',
+        },
+        'utils.debug_middleware': {
+            'handlers': ['console'],
+            'level': 'DEBUG',
+            'propagate': False,
+        },
+    },
+}
+
 ROOT_URLCONF = 'a_long_dianjing.urls'
 
 TEMPLATES = [

utils/debug_middleware.py

@@ -0,0 +1,39 @@
+"""
+调试中间件 — 捕获所有 500 错误并打印完整堆栈到日志
+仅在测试阶段使用，上线前移除
+"""
+import logging
+import traceback
+
+logger = logging.getLogger('django')
+
+
+class DebugExceptionMiddleware:
+    """捕获所有未处理异常，打印完整堆栈到 gunicorn 日志"""
+
+    def __init__(self, get_response):
+        self.get_response = get_response
+
+    def __call__(self, request):
+        response = self.get_response(request)
+        if response.status_code == 500:
+            logger.error(
+                f"[500] {request.method} {request.path} "
+                f"user={getattr(request.user, 'UserName', 'anon')}"
+            )
+        return response
+
+    def process_exception(self, request, exception):
+        """未处理异常 — 打印完整堆栈"""
+        tb = traceback.format_exc()
+        user_info = getattr(request.user, 'UserName', 'anon')
+        logger.error(
+            f"\n{'='*60}\n"
+            f"[EXCEPTION] {request.method} {request.path}\n"
+            f"User: {user_info}\n"
+            f"Type: {type(exception).__name__}: {exception}\n"
+            f"{'='*60}\n"
+            f"{tb}\n"
+            f"{'='*60}"
+        )
+        return None  # 返回 None 让 Django 继续正常异常处理流程